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129 lines
3.5 KiB
Plaintext
129 lines
3.5 KiB
Plaintext
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Intel Stratix10 Remote System Update (RSU) device attributes
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What: /sys/devices/platform/stratix10-rsu.0/current_image
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Date: August 2019
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KernelVersion: 5.4
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Contact: Richard Gong <richard.gong@linux.intel.com>
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Description:
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(RO) the address in flash of currently running image.
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What: /sys/devices/platform/stratix10-rsu.0/fail_image
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Date: August 2019
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KernelVersion: 5.4
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Contact: Richard Gong <richard.gong@linux.intel.com>
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Description:
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(RO) the address in flash of failed image.
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What: /sys/devices/platform/stratix10-rsu.0/state
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Date: August 2019
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KernelVersion: 5.4
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Contact: Richard Gong <richard.gong@linux.intel.com>
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Description:
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(RO) the state of RSU system.
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The state field has two parts: major error code in
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upper 16 bits and minor error code in lower 16 bits.
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b[15:0]
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Currently used only when major error is 0xF006
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(CPU watchdog timeout), in which case the minor
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error code is the value reported by CPU to
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firmware through the RSU notify command before
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the watchdog timeout occurs.
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b[31:16]
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0xF001 bitstream error
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0xF002 hardware access failure
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0xF003 bitstream corruption
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0xF004 internal error
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0xF005 device error
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0xF006 CPU watchdog timeout
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0xF007 internal unknown error
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What: /sys/devices/platform/stratix10-rsu.0/version
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Date: August 2019
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KernelVersion: 5.4
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Contact: Richard Gong <richard.gong@linux.intel.com>
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Description:
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(RO) the version number of RSU firmware. 19.3 or late
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version includes information about the firmware which
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reported the error.
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pre 19.3:
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b[31:0]
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0x0 version number
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19.3 or late:
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b[15:0]
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0x1 version number
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b[31:16]
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0x0 no error
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0x0DCF Decision CMF error
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0x0ACF Application CMF error
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What: /sys/devices/platform/stratix10-rsu.0/error_location
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Date: August 2019
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KernelVersion: 5.4
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Contact: Richard Gong <richard.gong@linux.intel.com>
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Description:
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(RO) the error offset inside the image that failed.
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What: /sys/devices/platform/stratix10-rsu.0/error_details
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Date: August 2019
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KernelVersion: 5.4
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Contact: Richard Gong <richard.gong@linux.intel.com>
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Description:
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(RO) error code.
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What: /sys/devices/platform/stratix10-rsu.0/retry_counter
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Date: August 2019
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KernelVersion: 5.4
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Contact: Richard Gong <richard.gong@linux.intel.com>
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Description:
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(RO) the current image's retry counter, which is used by
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user to know how many times the images is still allowed
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to reload itself before giving up and starting RSU
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fail-over flow.
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What: /sys/devices/platform/stratix10-rsu.0/reboot_image
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Date: August 2019
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KernelVersion: 5.4
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Contact: Richard Gong <richard.gong@linux.intel.com>
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Description:
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(WO) the address in flash of image to be loaded on next
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reboot command.
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What: /sys/devices/platform/stratix10-rsu.0/notify
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Date: August 2019
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KernelVersion: 5.4
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Contact: Richard Gong <richard.gong@linux.intel.com>
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Description:
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(WO) client to notify firmware with different actions.
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b[15:0]
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inform firmware the current software execution
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stage.
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0 the first stage bootloader didn't run or
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didn't reach the point of launching second
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stage bootloader.
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1 failed in second bootloader or didn't get
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to the point of launching the operating
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system.
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2 both first and second stage bootloader ran
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and the operating system launch was
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attempted.
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b[16]
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1 firmware to reset current image retry
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counter.
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0 no action.
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b[17]
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1 firmware to clear RSU log
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0 no action.
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b[18]
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this is negative logic
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1 no action
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0 firmware record the notify code defined
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in b[15:0].
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